ACCUMULO-1770 got the stand-alone c++ test to run; ran it under valgrind and corrected the only warning.  It never leaked, though.
ACCUMULO-1030 Fix classpath issues

Fixed classpath issues introduced by ACCUMULO-1368 changes
(741daecfde80e19ceaeb11f89124883f53effd59). MiniAccumuloConfig now has
the ability to explicitly set classpath elements to be used when
spawning processes.